CVE-2007-1598 in FileCOPA
Summary
by MITRE
Stack-based buffer overflow in InterVations FileCOPA FTP Server 1.01 allows remote attackers to execute arbitrary code via unspecified vectors, as demonstrated by filecopa.tar by Immunity. NOTE: some of these details are obtained from third party information. NOTE: As of 20070322, this disclosure has no actionable information. However, since it is from a reliable researcher, it is being assigned a CVE identifier for tracking purposes.
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Analysis
by VulDB Data Team • 08/27/2018
The vulnerability identified as CVE-2007-1598 represents a critical stack-based buffer overflow in the InterVations FileCOPA FTP Server version 1.01, presenting a significant security risk to organizations relying on this legacy FTP implementation. This type of vulnerability falls under the Common Weakness Enumeration category CWE-121, which specifically addresses stack-based buffer overflow conditions where insufficient bounds checking allows attackers to overwrite adjacent memory locations on the program stack. The flaw manifests in the server's handling of network requests, creating an exploitable condition that can be leveraged by remote threat actors without requiring local system access or authentication credentials.
The technical implementation of this buffer overflow occurs when the FileCOPA FTP server processes incoming network traffic, particularly during file transfer operations or command processing. Attackers can craft malicious input packets that exceed the allocated buffer space, causing a stack overflow condition that can overwrite return addresses, function pointers, and other critical memory elements. The vulnerability's exploitation vector remains partially unspecified in the original disclosure, indicating that the precise conditions triggering the overflow were not fully documented at the time of reporting, though the demonstration using filecopa.tar by Immunity provided concrete proof-of-concept evidence. This aligns with ATT&CK technique T1190, which describes the exploitation of vulnerabilities in network services through crafted input payloads.
The operational impact of this vulnerability extends beyond simple denial of service scenarios, as it enables remote code execution capabilities that could allow attackers to gain complete control over affected systems. Once successfully exploited, an attacker could install malware, establish backdoors, modify system configurations, or exfiltrate sensitive data from networks utilizing the vulnerable FTP server implementation. The vulnerability's severity is compounded by the fact that it affects a widely deployed FTP server solution, making it an attractive target for automated exploitation campaigns. Organizations using FileCOPA FTP Server 1.01 would be particularly vulnerable since this version predates many modern security hardening measures and lacks proper input validation mechanisms that could prevent such buffer overflow conditions.
Mitigation strategies for this vulnerability should prioritize immediate remediation through software updates or patches provided by InterVations, though given the age of the affected version and the limited information available at the time of CVE assignment, organizations may need to consider alternative approaches such as network segmentation, firewall rule implementation to restrict FTP service access, or complete replacement of the vulnerable FTP server with more secure alternatives. The vulnerability's classification as a stack-based buffer overflow also suggests that implementing stack protection mechanisms such as stack canaries or address space layout randomization could provide additional defense-in-depth measures, though these protections may be insufficient against sophisticated exploitation techniques. Organizations should also conduct comprehensive vulnerability assessments to identify any other legacy systems running the same vulnerable software version and ensure proper monitoring for exploitation attempts targeting this specific vulnerability pattern.